453921970 has 16 divisors (see below), whose sum is σ = 860063040. Its totient is φ = 172012464.

The previous prime is 453921967. The next prime is 453921971. The reversal of 453921970 is 79129354.

It is not an unprimeable number, because it can be changed into a prime (453921971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194342 + ... + 1194721.

It is an arithmetic number, because the mean of its divisors is an integer number (53753940).

Almost surely, 2^453921970 is an apocalyptic number.

453921970 is a deficient number, since it is larger than the sum of its proper divisors (406141070).

453921970 is a wasteful number, since it uses less digits than its factorization.

453921970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389089.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 453921970 is about 21305.4446093012. Note that the first 3 decimals coincide. The cubic root of 453921970 is about 768.5292496797.

The spelling of 453921970 in words is "four hundred fifty-three million, nine hundred twenty-one thousand, nine hundred seventy".